Triple
T17102085
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Millennium Bridge (southern end) |
E415002
|
entity |
| Predicate | closestUndergroundStation |
P26735
|
FINISHED |
| Object |
Southwark Underground station (approximate)
Southwark Underground station is a London Underground station on the Jubilee line in the London Borough of Southwark, serving the South Bank area near major cultural and riverside attractions.
|
E1251677
|
NE FINISHED |
How this triple was built (5 steps)
Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.
NER
Named-entity recognition
gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: Southwark Underground station (approximate) | Statement: [Millennium Bridge (southern end), closestUndergroundStation, Southwark Underground station (approximate)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Southwark Underground station (approximate) Context triple: [Millennium Bridge (southern end), closestUndergroundStation, Southwark Underground station (approximate)]
-
A.
Bermondsey Underground station
Bermondsey Underground station is a London Underground station in southeast London served by the Jubilee line.
-
B.
Battersea Power Station Underground station
Battersea Power Station Underground station is a London Underground station on the Northern line extension serving the redeveloped Battersea Power Station area in south-west London.
-
C.
North Greenwich Underground station
North Greenwich Underground station is a London Underground station on the Jubilee line that serves the Greenwich Peninsula and provides primary access to The O2 Arena.
-
D.
Tower Hill Underground station
Tower Hill Underground station is a London Underground station in central London serving the Circle and District lines near the Tower of London and the River Thames.
-
E.
Elephant & Castle Underground station
Elephant & Castle Underground station is a major London Underground interchange in the Elephant and Castle area, serving both the Bakerloo and Northern lines in the London Borough of Southwark.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Southwark Underground station (approximate) Triple: [Millennium Bridge (southern end), closestUndergroundStation, Southwark Underground station (approximate)]
Generated description
Southwark Underground station is a London Underground station on the Jubilee line in the London Borough of Southwark, serving the South Bank area near major cultural and riverside attractions.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Southwark Underground station (approximate) Target entity description: Southwark Underground station is a London Underground station on the Jubilee line in the London Borough of Southwark, serving the South Bank area near major cultural and riverside attractions.
-
A.
Bermondsey Underground station
Bermondsey Underground station is a London Underground station in southeast London served by the Jubilee line.
-
B.
Battersea Power Station Underground station
Battersea Power Station Underground station is a London Underground station on the Northern line extension serving the redeveloped Battersea Power Station area in south-west London.
-
C.
North Greenwich Underground station
North Greenwich Underground station is a London Underground station on the Jubilee line that serves the Greenwich Peninsula and provides primary access to The O2 Arena.
-
D.
Tower Hill Underground station
Tower Hill Underground station is a London Underground station in central London serving the Circle and District lines near the Tower of London and the River Thames.
-
E.
Elephant & Castle Underground station
Elephant & Castle Underground station is a major London Underground interchange in the Elephant and Castle area, serving both the Bakerloo and Northern lines in the London Borough of Southwark.
- F. None of above. chosen
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: closestUndergroundStation Context triple: [Millennium Bridge (southern end), closestUndergroundStation, Southwark Underground station (approximate)]
-
A.
nearestUndergroundStation
chosen
Indicates the relationship where a specific underground (subway/metro) station is the closest one in distance to a given location or entity.
-
B.
nearestSuburbanRailwayStation
Indicates the relationship where a given place is associated with the suburban railway station that is geographically closest to it.
-
C.
nearestEntranceStation
Indicates that one station is the closest entrance station to a given location or entity compared to all other candidate stations.
-
D.
nearestPassengerRailStation
Indicates that one entity is the closest passenger rail station in distance to another entity.
-
E.
nearestMajorTransportHub
Indicates that one location is the closest significant transportation center (such as a major train station, airport, or bus terminal) to another location.
- F. None of above.
Provenance (6 batches)
The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.
| Step | Stage | Batch ID | Status | When |
|---|---|---|---|---|
| creating | Elicitation | batch_69d886cfc8e88190b05ba466edd35591 |
completed | April 10, 2026, 5:12 a.m. |
| NER | Named-entity recognition | batch_69e3dc239a088190a776fe0f4361ffc7 |
completed | April 18, 2026, 7:31 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a0139fdda488190a1ca5c7ca875e044 |
completed | May 11, 2026, 2:07 a.m. |
| NEDg | Description generation | batch_6a013c4c0e6c8190a66fdee15f928444 |
completed | May 11, 2026, 2:17 a.m. |
| NED2 | Entity disambiguation (via description) | batch_6a013cc0559881909a903ee05562b658 |
completed | May 11, 2026, 2:19 a.m. |
| PD | Predicate disambiguation | batch_69e35d6b1b988190a8d6b6fe78c35e59 |
completed | April 18, 2026, 10:31 a.m. |
Created at: April 10, 2026, 5:35 a.m.